Home / 865,175.32-1,297,319.94-460,597.36

Finding the Fourth Proportional to 865,175.32, 1,297,319.94 and 460,597.36

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Solution

The fourth proportional to 865,175.32, 1,297,319.94 and 460,597.36 is: 690,660.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,175.32 : 1,297,319.94 = 460,597.36 : x
  2. Step 2: Convert to fraction form
    865,175.32/1,297,319.94 = 460,597.36/x
  3. Step 3: Cross multiply
    865,175.32x = 1,297,319.94 × 460,597.36
  4. Step 4: Simplify right side
    865,175.32x = 597,542,139,439.36
  5. Step 5: Solve for x
    x = 597,542,139,439.36/865,175.32
  6. Step 6: Final answer
    x = 690,660.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.